(19)
(11) EP 0 937 360 A1

(12)

(43) Date of publication:
25.08.1999 Bulletin 1999/34

(21) Application number: 97913831.0

(22) Date of filing: 29.10.1997
(51) International Patent Classification (IPC): 
H04N 9/ 31( . )
(86) International application number:
PCT/US1997/019530
(87) International publication number:
WO 1998/020682 (14.05.1998 Gazette 1998/19)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 05.11.1996 US 19960740966

(71) Applicant: Clarity Visual Systems, Inc.
Wilsonville, OR 97070 (US)

(72) Inventors:
  • CLIFTON, Benjamin, R.
    Oregon City, OR 97045 (US)
  • GULICK, Paul, E.
    Tualatin, OR 97062 (US)
  • FOGARTY, John, P.
    West Linn, OR 97068 (US)

(74) Representative: Sarup, David Alexander, et al 
Raworth, Moss & Cook, Raworth House, 36 Sydenham Road
Croydon, Surrey CRO 2EF
Croydon, Surrey CRO 2EF (GB)

   


(54) COLOR AND LUMINANCE CONTROL SYSTEM FOR LIQUID CRYSTAL PROJECTION DISPLAYS